package com.yzjs.config.mvc;

import com.yzjs.common.base.entity.ResultJson;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

import java.util.Map;

@RestControllerAdvice
public class GlobalResponseHandler implements ResponseBodyAdvice<Object> {
    /**
     * Whether this component supports the given controller method return type
     * and the selected {@code HttpMessageConverter} type.
     *
     * @param returnType    the return type
     * @param converterType the selected converter type
     * @return {@code true} if {@link #beforeBodyWrite} should be invoked;
     * {@code false} otherwise
     */
    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        //判断支持的类型，因为我们定义的BaseResponseVo 里面的data可能是任何类型，这里就不判断统一放过
        //如果你想对执行的返回体进行操作，可将上方的Object换成你自己的类型
        return true;
    }


    /**
     * Invoked after an {@code HttpMessageConverter} is selected and just before
     * its write method is invoked.
     *
     * @param body                  the body to be written
     * @param returnType            the return type of the controller method
     * @param selectedContentType   the content type selected through content negotiation
     * @param selectedConverterType the converter type selected to write to the response
     * @param request               the current request
     * @param response              the current response
     * @return the body that was passed in or a modified (possibly new) instance
     */
    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {


        String a= request.getURI().getPath();
        if (request.getURI().getPath().contains("/swagger-resources")||
                request.getURI().getPath().contains("/api-docs")
        ){
            return body;
        }

       if(body instanceof Map){
           if(!"200".equals(""+( (Map) body).get("status"))){
               ResultJson jsonObject = new ResultJson((String) ((Map) body).get("message"),""+( (Map) body).get("status"));
               return jsonObject;
           }
       }
        ResultJson jsonObject = new ResultJson(body);

        return jsonObject;



    }
}
